52251212160 has 512 divisors, whose sum is σ = 212458982400. Its totient is φ = 11888640000.

The previous prime is 52251212141. The next prime is 52251212177. The reversal of 52251212160 is 6121215225.

52251212160 is a `hidden beast` number, since 5 + 22 + 512 + 121 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30360100 + ... + 30361820.

It is an arithmetic number, because the mean of its divisors is an integer number (414958950).

Almost surely, 2^52251212160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52251212160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106229491200).

52251212160 is an abundant number, since it is smaller than the sum of its proper divisors (160207770240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52251212160 is a wasteful number, since it uses less digits than its factorization.

52251212160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 52251212160 its reverse (6121215225), we get a palindrome (58372427385).

The spelling of 52251212160 in words is "fifty-two billion, two hundred fifty-one million, two hundred twelve thousand, one hundred sixty".